Home / 14,247.02-21,376.79-7,581.94

Finding the Fourth Proportional to 14,247.02, 21,376.79 and 7,581.94

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Solution

The fourth proportional to 14,247.02, 21,376.79 and 7,581.94 is: 11,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.02 : 21,376.79 = 7,581.94 : x
  2. Step 2: Convert to fraction form
    14,247.02/21,376.79 = 7,581.94/x
  3. Step 3: Cross multiply
    14,247.02x = 21,376.79 × 7,581.94
  4. Step 4: Simplify right side
    14,247.02x = 162,077,539.17
  5. Step 5: Solve for x
    x = 162,077,539.17/14,247.02
  6. Step 6: Final answer
    x = 11,376.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.